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Finding the Fourth Proportional to 101,970.36, 140,662.38 and 94,753.88

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Solution

The fourth proportional to 101,970.36, 140,662.38 and 94,753.88 is: 130,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,970.36 : 140,662.38 = 94,753.88 : x
  2. Step 2: Convert to fraction form
    101,970.36/140,662.38 = 94,753.88/x
  3. Step 3: Cross multiply
    101,970.36x = 140,662.38 × 94,753.88
  4. Step 4: Simplify right side
    101,970.36x = 13,328,306,275.03
  5. Step 5: Solve for x
    x = 13,328,306,275.03/101,970.36
  6. Step 6: Final answer
    x = 130,707.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.